47501280 has 72 divisors (see below), whose sum is σ = 162103032. Its totient is φ = 12666624.

The previous prime is 47501243. The next prime is 47501287. The reversal of 47501280 is 8210574.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47501287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15054 + ... + 17933.

It is an arithmetic number, because the mean of its divisors is an integer number (2251431).

Almost surely, 2^47501280 is an apocalyptic number.

47501280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47501280 is an abundant number, since it is smaller than the sum of its proper divisors (114601752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47501280 is a wasteful number, since it uses less digits than its factorization.

47501280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33008 (or 32997 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 47501280 is about 6892.1172363795. The cubic root of 47501280 is about 362.1610752096.

The spelling of 47501280 in words is "forty-seven million, five hundred one thousand, two hundred eighty".